5771645 has 16 divisors (see below), whose sum is σ = 7637760. Its totient is φ = 4152000.

The previous prime is 5771641. The next prime is 5771663. The reversal of 5771645 is 5461775.

It is not a de Polignac number, because 5771645 - 2² = 5771641 is a prime.

It is a d-powerful number, because it can be written as 5 + 7⁴ + 7⁸ + 1 + 6³ + 4⁶ + 5³ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5771641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5036 + ... + 6074.

It is an arithmetic number, because the mean of its divisors is an integer number (477360).

Almost surely, 2^5771645 is an apocalyptic number.

5771645 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5771645 is a deficient number, since it is larger than the sum of its proper divisors (1866115).

5771645 is a wasteful number, since it uses less digits than its factorization.

5771645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1156.

The product of its digits is 29400, while the sum is 35.

The square root of 5771645 is about 2402.4248167216. The cubic root of 5771645 is about 179.3769093752.

It can be divided in two parts, 577 and 1645, that added together give a palindrome (2222).

The spelling of 5771645 in words is "five million, seven hundred seventy-one thousand, six hundred forty-five".